Home / 119,759.28-179,638.38-31,005.24

Finding the Fourth Proportional to 119,759.28, 179,638.38 and 31,005.24

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Solution

The fourth proportional to 119,759.28, 179,638.38 and 31,005.24 is: 46,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,759.28 : 179,638.38 = 31,005.24 : x
  2. Step 2: Convert to fraction form
    119,759.28/179,638.38 = 31,005.24/x
  3. Step 3: Cross multiply
    119,759.28x = 179,638.38 × 31,005.24
  4. Step 4: Simplify right side
    119,759.28x = 5,569,731,085.11
  5. Step 5: Solve for x
    x = 5,569,731,085.11/119,759.28
  6. Step 6: Final answer
    x = 46,507.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.